01 -
In a large skillet over medium heat, cook ground beef with chopped onion until beef is fully browned and onions turn soft. Drain excess fat.
02 -
In a separate bowl, combine cream of mushroom soup, whole milk, garlic powder, salt, black pepper, and paprika if using. Stir until well blended.
03 -
Lightly grease the inside of the slow cooker with cooking spray or butter to prevent sticking.
04 -
Place diced potatoes in an even layer at the bottom of the slow cooker. Top with the cooked beef and onion mixture, ensuring an even distribution.
05 -
Pour the prepared soup mixture evenly over the beef and potatoes.
06 -
Cover and cook on high for 45 to 60 minutes, or until potatoes are fork-tender.
07 -
Sprinkle shredded cheddar cheese evenly over the top. Cover and allow cheese to melt for 5 minutes before serving.